YOU SAID:

Psychology is interesting sometimes, but mostly it is challenging.

INTO JAPANESE

心理学は時々面白いですが、ほとんどが挑戦的です。

BACK INTO ENGLISH

Psychology is sometimes interesting, but most is challenging.

INTO JAPANESE

心理学は時々面白いですが、ほとんどは挑戦的です。

BACK INTO ENGLISH

Psychology is sometimes interesting, but most is challenging.